OOIR: Observatory of International Research

Papers

(The TQCC of Electronic Journal of Linear Algebra is 1. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-12-01 to 2025-12-01.)

Article	Citations
Recovering the characteristic polynomial of a graph from entries of the adjugate matrix	17
The Moore-Penrose inverse of the distance matrix of a helm graph	10
On the sum of the k largest absolute values of Laplacian eigenvalues of digraphs	9
The angular spectrum of the $\boldsymbol{3\times 3}$ copositive cone	8
On solutions of matrix equation ${AX=B}$ over a Bezout domain	7
The algebra generated by nilpotent elements in a matrix centralizer	6
Group inverses of matrices of directed trees	5
Decompositions of matrices into a sum of invertible matrices and matrices of fixed nilpotence	5
Remarks on "Comparison between the Laplacian energy-like invariant and the Kirchhoff index''	5
The Laplacian matrix of weighted threshold graphs	4
New results on $M$-matrices, $H$-matrices and their inverse classes	4
The copositive range	4
On condition numbers of quaternion matrix inverse and quaternion linear systems with multiple right-hand sides	4
New sufficient conditions for subdirect sums of Nekrasov matrices	4
On the rank of m×2×2 and m×3×2 tensors over arbitrary fields	4
Schur functions and immanantal identities	3
The non-symmetric strong multiplicity property for sign patterns	3
Flag-shaped blockers of 123-avoiding permutation matrices	3
Accurate computations with totally positive matrices applied to the computation of Gaussian quadrature formulae	3
Extremal spectral radii of uniform supertrees	3
The vertex connectivity and the third largest eigenvalue in regular (multi-)graphs	3
Eigenvalues for stochastic matrices with a prescribed stationary distribution	3
Probabilistic zero forcing with vertex reversion	3
Inverse eigenvalue and related problems for hollow matrices described by graphs	2
Lyapunov-like transformations on the tensor product of nuclear pairs of proper cones	2

Adapted AZNN methods for time-varying and static matrix problems	2
Multiplicativity of permanents over matrix semirings	2
Flat portions on the boundary of the numerical range of a 5 × 5 companion matrix	2
Commuting additive maps on upper triangular and strictly upper triangular infinite matrices	2
An extension of the Perron-Frobenius theory to arbitrary matrices and cones	2
Kronecker products of Perron similarities	2
Trees with maximum sum of the two largest Laplacian eigenvalues	2
A note on the boundary of the Birkhoff-James ε-orthogonality sets	2
Concave function inequalities for sum of matrices	2
The Smith normal form of Hadamard matrices from Paley's second construction	2
Spectral conditions for rainbow matchings of bipartite graphs	2
Is the bounded rank perturbations problem for matrix pencils just a completion problem?	2
Eigenvalues and component factors in graphs	2
Sign patterns of rational matrices with large rank II	2
Preservers of the p-power and the Wasserstein means on 2x2 matrices	2
Godsil-McKay switchings for gain graphs	1
Principal eigenvectors in hypergraph Turán problems	1
On $m$-th roots of nilpotent matrices	1
Reverse order law and forward order law for the (b, c)-inverse	1
Multi-alternating sign matrices	1
A note on semiscalar equivalence of polynomial matrices	1
On the numerical range of Kac-Sylvester matrices	1
Inverse of the squared distance matrix of a complete multipartite graph	1
The maximum spectral radius of graphs with a large core	1
Graph products that allow two distinct eigenvalues	1
The matrix inverse Young inequality	1
A new method to improve the efficiency and accuracy of incremental singular value decomposition	1
Semirings in which the permanent of invertible matrices is multiplicative	1
Near-bipartite Leonard pairs	1
More inequalities for positive semidefinite matrices	1
Characterization of invariant subspaces for a nilpotent linear operator that admit complementary invariant subspaces	1
The allow sequence of distinct eigenvalues for a sign pattern	1
Numerical range for weighted Moore-Penrose inverse of tensor	1
On dimensions of maximal faces of completely positive cones	1
Relation between the row left rank of a quaternion unit gain graph and the rank of its underlying graph	1
A note on bounds for eigenvalues of nonsingular H-tensors	1
The products of involutions in a matrix centralizer	1
A new weighted spectral geometric mean and properties	1
Refinements of the Blanco-Koldobsky-Turnšek theorem	1
Positive and negative square energies of graphs	1
Matrices having nonzero outer inverses	1
Semipositivity with respect to the Lorentz cone	1
Token graphs of Cayley graphs as lifts	1
Characterizations of complex P-matrices	1
Upper bounds on the algebraic connectivity of graphs	1
The Hamiltonian extended Krylov subspace method	1
The Graham-Hoffman-Hosoya-type theorems for the exponential distance matrix	1
11 can be reduced to 10	1
Minimal rank weighted weak Drazin inverses	1
Versal deformations: a tool of linear algebra	1

Fillmore's theorem and sums of nilpotent quaternion matrices	1
A note on commuting additive maps on rank k symmetric matrices	1
Linear maps that preserve parts of the spectrum on pairs of similar matrices	1
Majorization inequalities via convex functions	1
Strong cospectrality and twin vertices in weighted graphs	1